docs: def dafrfr(handle, lenout=_default_len_out):
      """
      Read the contents of the file record of a DAF.
  
      http://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/cspice/dafrfr_c.html
  
  
      :param handle: Handle of an open DAF file.
      :type handle: int
      :param lenout: Available room in the output string
      :type lenout: int
      :return:
              Number of double precision components in summaries,
              Number of integer components in summaries,
              Internal file name, Forward list pointer,
              Backward list pointer, Free address pointer.
      :rtype: tuple
      """
      handle = ctypes.c_int(handle)
      lenout = ctypes.c_int(lenout)
      nd = ctypes.c_int()
      ni = ctypes.c_int()
      ifname = stypes.stringToCharP(lenout)
      fward = ctypes.c_int()
      bward = ctypes.c_int()
      free = ctypes.c_int()
      libspice.dafrfr_c(handle, lenout, ctypes.byref(nd), ctypes.byref(ni),
                        ifname, ctypes.byref(fward), ctypes.byref(bward),
                        ctypes.byref(free))
      return nd.value, ni.value, stypes.toPythonString(
              ifname), fward.value, bward.value, free.value